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Inflation is defined as a positive change in the economy's general price level. This means that, on average, the cost of a representative basket of goods and services is increasing over a period of time.

Inflation: A Positive Change in the Price Level

Consider an economy where a representative basket of goods contains 10 loaves of bread and 5 gallons of milk. In the first year, bread costs $2.00 per loaf and milk costs $4.00 per gallon. In the second year, the price of bread rises to $2.50 per loaf, while the price of milk falls to $3.80 per gallon. Based on this information, which statement accurately describes the change in the price level?

An economic report for a country provides the following data on annual price changes for major categories in a representative consumer's budget: 

* Food: +4% 
* Housing: +3% 
* Transportation: -5% 
* Electronics: -2% 
* Healthcare: +6% 

A government official claims that because the prices of transportation and electronics have fallen, the overall cost of living has not increased. Based on the definition of a general price level, evaluate the official's claim. Is it likely that the economy has experienced a positive change in its general price level? Justify your reasoning.

Evaluating Price Level Changes

A news report states that the price of new cars has increased by 5% over the last year. A student concludes that this means the economy is experiencing a positive change in its general price level. Explain why this student's conclusion might be incorrect, even though the price of one type of good has risen.

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